CN110698975A - Ultraviolet-cured matt scratch-resistant floor coating and preparation method thereof - Google Patents
Ultraviolet-cured matt scratch-resistant floor coating and preparation method thereof Download PDFInfo
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- CN110698975A CN110698975A CN201911139238.1A CN201911139238A CN110698975A CN 110698975 A CN110698975 A CN 110698975A CN 201911139238 A CN201911139238 A CN 201911139238A CN 110698975 A CN110698975 A CN 110698975A
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- 238000000576 coating method Methods 0.000 title claims abstract description 69
- 239000011248 coating agent Substances 0.000 title claims abstract description 64
- 230000003678 scratch resistant effect Effects 0.000 title claims abstract description 43
- 238000002360 preparation method Methods 0.000 title description 6
- 239000000843 powder Substances 0.000 claims abstract description 62
- 239000000178 monomer Substances 0.000 claims abstract description 50
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims abstract description 31
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 22
- 239000004814 polyurethane Substances 0.000 claims abstract description 20
- 229920002635 polyurethane Polymers 0.000 claims abstract description 20
- -1 polyethylene Polymers 0.000 claims abstract description 19
- 239000004698 Polyethylene Substances 0.000 claims abstract description 14
- 229920000573 polyethylene Polymers 0.000 claims abstract description 14
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 11
- 239000000203 mixture Substances 0.000 claims abstract description 10
- 230000001588 bifunctional effect Effects 0.000 claims abstract description 8
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 17
- 239000003795 chemical substances by application Substances 0.000 claims description 13
- 239000002270 dispersing agent Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 239000000377 silicon dioxide Substances 0.000 claims description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 8
- 229910052710 silicon Inorganic materials 0.000 claims description 8
- 239000010703 silicon Substances 0.000 claims description 8
- FIHBHSQYSYVZQE-UHFFFAOYSA-N 6-prop-2-enoyloxyhexyl prop-2-enoate Chemical group C=CC(=O)OCCCCCCOC(=O)C=C FIHBHSQYSYVZQE-UHFFFAOYSA-N 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- DAKWPKUUDNSNPN-UHFFFAOYSA-N Trimethylolpropane triacrylate Chemical group C=CC(=O)OCC(CC)(COC(=O)C=C)COC(=O)C=C DAKWPKUUDNSNPN-UHFFFAOYSA-N 0.000 claims description 4
- MPIAGWXWVAHQBB-UHFFFAOYSA-N [3-prop-2-enoyloxy-2-[[3-prop-2-enoyloxy-2,2-bis(prop-2-enoyloxymethyl)propoxy]methyl]-2-(prop-2-enoyloxymethyl)propyl] prop-2-enoate Chemical group C=CC(=O)OCC(COC(=O)C=C)(COC(=O)C=C)COCC(COC(=O)C=C)(COC(=O)C=C)COC(=O)C=C MPIAGWXWVAHQBB-UHFFFAOYSA-N 0.000 claims description 4
- ZDQNWDNMNKSMHI-UHFFFAOYSA-N 1-[2-(2-prop-2-enoyloxypropoxy)propoxy]propan-2-yl prop-2-enoate Chemical compound C=CC(=O)OC(C)COC(C)COCC(C)OC(=O)C=C ZDQNWDNMNKSMHI-UHFFFAOYSA-N 0.000 claims description 3
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 3
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 239000013530 defoamer Substances 0.000 claims 3
- 239000002518 antifoaming agent Substances 0.000 description 10
- UHESRSKEBRADOO-UHFFFAOYSA-N ethyl carbamate;prop-2-enoic acid Chemical compound OC(=O)C=C.CCOC(N)=O UHESRSKEBRADOO-UHFFFAOYSA-N 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 239000003960 organic solvent Substances 0.000 description 8
- 230000007613 environmental effect Effects 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 239000002994 raw material Substances 0.000 description 6
- 239000003973 paint Substances 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 229910052681 coesite Inorganic materials 0.000 description 3
- 239000013065 commercial product Substances 0.000 description 3
- 229910052906 cristobalite Inorganic materials 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 235000012239 silicon dioxide Nutrition 0.000 description 3
- 229910052682 stishovite Inorganic materials 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 229910052905 tridymite Inorganic materials 0.000 description 3
- 239000006224 matting agent Substances 0.000 description 2
- 239000012855 volatile organic compound Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000006120 scratch resistant coating Substances 0.000 description 1
- 150000003673 urethanes Chemical class 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/42—Gloss-reducing agents
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The ultraviolet light-cured matt scratch-resistant floor coating comprises the following components in percentage by mass: 20 to 40 percent of modified polyurethane acrylic resin; 5 to 10 percent of polyurethane acrylate resin; 10-45% of active monomer; 5 to 10 percent of photoinitiator; 10-20% of matting powder; 3 to 5 percent of polyethylene wax powder and 1.5 to 4.5 percent of auxiliary agent; the active monomer is a mixture of at least two of bifunctional acrylate monomer, trifunctional acrylate monomer and hexafunctional acrylate monomer.
Description
Technical Field
The invention relates to the technical field of coatings, in particular to an ultraviolet-cured matt scratch-resistant floor coating and a preparation method thereof.
Background
By matt floor coating is meant a floor coating which after curing gives a gloss of less than 3.
The current conventional matt floor coatings all contain organic solvents, and the principle thereof is that: due to the volatilization of the organic solvent, the floating of the matting powder for obtaining the matt effect in the coating is promoted, and meanwhile, the matting powder is subjected to an orientation effect on the surface of the coating, so that the glossiness of the finally obtained coating is lower than 3, and the technical effect of matt is realized.
However, in order to meet the global environmental requirements and promote the rapid development of modern technologies, the emission of Volatile Organic Compounds (VOC) in the coating must be strictly controlled. Therefore, the existing organic solvent-containing matt floor coating cannot meet the requirement of environmental protection. However, if the organic solvent is omitted, the gloss of the final coating is not effectively reduced.
Ultraviolet (UV) curing technology is a new green technology that has been rapidly developed since the 70 s of the 20 th century, and can satisfy the "3E principle" of Energy saving (Energy), environmental protection (Ecology), and Economy (economi). Ultraviolet light cured matt scratch resistant floor coatings are one example of the wide range of applications of ultraviolet light curing technology.
However, most of the current uv-curable matte scratch-resistant floor coatings suffer from the following problems: firstly, due to the characteristics of high speed of ultraviolet light curing, high crosslinking density and the like, the dull floor coating on the market is difficult to achieve real dull (below gloss 3) and can only achieve a part of matte effect; secondly, the floor product is inevitably subjected to various types of wiping, friction and collision in the daily use process, so that the scratch resistance of the coating, particularly the floor coating, is required to be higher, but because the lower gloss needs to be obtained, the flatting powder is inevitably floated on the surface of a paint film, and the scratch resistance of the UV coating is influenced.
Therefore, it is necessary to provide a new uv-curable matte scratch-resistant floor coating to obtain a matte scratch-resistant floor coating, which satisfies the requirements of environmental protection and improves the performance of the floor coating.
Disclosure of Invention
The invention aims to provide an ultraviolet-cured matt scratch-resistant floor coating, which is prepared by selecting specific modified polyurethane acrylic resin and polyurethane acrylate resin as prepolymers according to a special component proportion, and combining a plurality of specific active monomers, a gloss method and matting powder, so that an organic solvent can be omitted, and the aim of environmental protection is fulfilled.
In order to achieve the above objects, according to one aspect of the present invention, there is provided a uv-curable matte scratch-resistant floor coating comprising, in mass percent: 20 to 40 percent of modified polyurethane acrylic resin; 5 to 10 percent of polyurethane acrylate resin; 10-45% of active monomer; 5 to 10 percent of photoinitiator; 10-20% of matting powder; 3 to 5 percent of polyethylene wax powder and 1.5 to 4.5 percent of auxiliary agent; the active monomer is a mixture of at least two of bifunctional acrylate monomer, trifunctional acrylate monomer and hexafunctional acrylate monomer.
In an embodiment of the present invention, the modified urethane acrylic resin is silicone-modified hexa-functional urethane acrylate.
In one embodiment of the present invention, the difunctional acrylate monomer is 1, 6-hexanediol diacrylate; the tri-functionality acrylic ester monomer is trimethylolpropane triacrylate or tripropylene glycol diacrylate; the hexa-functional acrylate monomer is dipentaerythritol hexaacrylate.
In an embodiment of the present invention, the percentage of the bifunctional acrylate monomer, the trifunctional acrylate monomer, or the hexafunctional acrylate monomer in the active monomer is in a range of 14% to 75%.
In an embodiment of the present invention, the active monomers in the uv-curable matte scratch-resistant floor coating include a bifunctional acrylate monomer and a trifunctional acrylate monomer, where the bifunctional acrylate monomer accounts for 5% to 15% by mass of the uv-curable matte scratch-resistant floor coating, and the trifunctional acrylate monomer accounts for 5% to 15% by mass of the uv-curable matte scratch-resistant floor coating.
In an embodiment of the present invention, the active monomers in the ultraviolet-cured matte scratch-resistant floor coating include a bifunctional acrylate monomer, a trifunctional acrylate monomer, and a hexafunctional acrylate monomer, where the bifunctional acrylate monomer accounts for 5% to 15% of the ultraviolet-cured matte scratch-resistant floor coating by mass, and the trifunctional acrylate monomer accounts for 5% to 15% of the ultraviolet-cured matte scratch-resistant floor coating by mass. The hexa-functionality acrylate monomer accounts for 5-15% of the ultraviolet-cured matt scratch-resistant floor coating by mass.
In an embodiment of the present invention, the auxiliary agent is at least one selected from a dispersing agent, an antifoaming agent, and a leveling agent.
In one embodiment of the invention, the matting powder is silicon dioxide matting powder, and the particle size range is 4-10 μm.
In an embodiment of the present invention, the silica matting powder is a matting powder whose surface is not treated, or a matting powder whose surface is treated with polydimethylsiloxane.
In one embodiment of the invention, the specific gravity of the silicon dioxide matting powder is 1.9g/cm3～2.0g/cm3The oil absorption is 220 g/ml-360 g/ml.
In a specific embodiment of the invention, the matting powder can be one or a mixture of several of matting powder TS100, matting powder ACEMATT810 and matting powder ACEMATT 3600. Wherein the matting powder TS100 is a matting agent with an untreated surface and an excellent matting effect, and has a specific gravity of 1.9g/cm3Oil absorption of 360g/ml, SiO2The content was 98%. The matting powder ACEMATT810 is an ultra-easily dispersible matting agent with an untreated surface and a specific gravity of 2.0g/cm3Oil absorption of 280g/ml, SiO2The content is more than or equal to 97 percent. The matting powder ACEMATT3600 is silicon dioxide matting powder produced by a gas phase method and subjected to polydimethylsiloxane treatment on the surface, has extremely high scratch resistance and abrasion resistance, the oil absorption is 220-260 g/ml, and SiO2The content is more than or equal to 98.
In one embodiment of the present invention, the urethane acrylate resin may be a tetrafunctional urethane acrylate resin B-326 commercially available. The dispersant is a commercially available pioneering dispersant 203. The defoaming agent is a silicone defoaming agent, and a commercially available defoaming agent AFCONA2721 can be selected. The leveling agent is an organic silicon leveling agent, and a commercial leveling agent K333 can be selected. The polyethylene wax powder can be commercial polyethylene wax powder MPP-480F.
According to another aspect of the present invention, there is also provided a method of preparing the above uv-curable matte scratch-resistant floor coating, the method comprising: preparing each component; dispersing all the components uniformly at room temperature; and filtering to obtain a finished product; in the step of uniformly dispersing all the components, firstly, uniformly dispersing the modified polyurethane acrylic resin, the polyurethane acrylate resin, the active monomer, the photoinitiator and the auxiliary agent, and then, adding the matting powder and the polyethylene wax powder and uniformly dispersing.
In an embodiment of the present invention, in the step of obtaining the finished product after the filtration, a 120-mesh filter screen is used.
According to the invention, through a special component proportion, a specific modified polyurethane acrylic resin and a specific polyurethane acrylate resin are selected as prepolymers, and a plurality of specific active monomers, a photo-acrylic method and matting powder are combined, so that the coating disclosed by the invention can be cured in an ultraviolet curing manner, can be completely cured within 10s during construction, has extremely high production efficiency, and has a semi-transparent paint film of about 10 mu m after being cured.
Compared with the conventional flat paint on the market, the paint of the invention does not contain organic solvent in the formula, but obtains a coating with low gloss (less than 3) through the specific formula, and has the effect equivalent to the effect of the conventional flat paint containing organic solvent on the market. Therefore, the ultraviolet light-cured matt scratch-resistant floor coating is a green, healthy and environment-friendly coating and is suitable for various places.
The ultraviolet-cured matt scratch-resistant floor coating disclosed by the invention is simple in curing condition and short in curing time, and the formed coating is smooth and good in hand feeling and high in adhesive force. The UV-cured dull scratch-resistant floor coating of the present invention forms a coating with hardness higher than 15N, which is tested by an Elcometer 3092 scratch hardness tester commonly used in the art, and the coating is still smooth and does not change color after being scratched for 20 times with a special abrasive cloth weighing 3kg, so the UV-cured dull scratch-resistant floor coating of the present invention belongs to a highly scratch-resistant floor coating.
Detailed Description
Hereinafter, the technique of the present invention will be described in detail with reference to specific embodiments. It should be understood that the following detailed description is only for the purpose of assisting those skilled in the art in understanding the present invention, and is not intended to limit the present invention.
Example 1
In this embodiment, there is provided a uv-curable matte scratch-resistant floor coating comprising, in mass percent:
30% of modified polyurethane acrylic resin which is organosilicon modified hexa-functional polyurethane acrylate and can be selected from a commercially available commodity DC 978;
6 percent of urethane acrylate resin is tetrafunctional urethane acrylate, and can be selected from a commercial product B-326;
6 percent of hexa-functionality active monomer which is dipentaerythritol hexaacrylate;
12% of trifunctional active monomer, namely trimethylolpropane triacrylate;
12.5 percent of bifunctionality active monomer is 1, 6-hexanediol diacrylate;
2.5% of dispersant, commercially available dispersant 203;
0.5% of defoaming agent, wherein commercial organic silicon defoaming agent 2721 can be adopted;
1.0 percent of flatting agent, and a commercial organic silicon flatting agent BYK333 can be adopted;
16% of matting powder, wherein the matting powder can be a mixture of commercial matting powder TS100, matting powder ACEMATT810 and matting powder ACEMATT3600, wherein the matting powder TS100 accounts for 2%, the ACEMATT810 accounts for 9%, and the ACEMATT3600 accounts for 5%;
5.5 percent of polyethylene wax powder, namely commercially available polyethylene wax powder MPP-480F; and
8% of photoinitiator, commercially available photoinitiator 1173 can be used.
In this example, the method for preparing the uv-curable matte scratch-resistant floor coating comprises the following steps:
(1) raw material preparation
Preparing the raw materials according to the mass percentage of the components of the raw materials.
(2) Compounding and dispersing
Starting a dispersion machine, stirring at a low speed, sequentially adding the prepared raw materials (except powder) into a pulling cylinder according to the proportion, and adding the raw materials while stirring; after the addition, the mixture is dispersed at high speed (1000 rpm) for 30min to be uniform.
(3) Adding flatting powder and polyethylene wax powder
Slowly adding the flatting powder and the polyethylene wax powder into the dispersed raw materials in the step (2) according to the proportion, after the powder is completely added, stirring at a low speed until the mixture is uniform, and then dispersing at a high speed (1000 revolutions per minute) for 30min until the mixture is uniform.
(4) Filter package
And (4) putting the coating obtained in the step (3) into a finished product kettle, starting a stirrer for stirring, arranging a filter screen at the outlet of the finished product kettle, and packaging the product while filtering.
Example 2
In this embodiment, there is provided a uv-curable matte scratch-resistant floor coating comprising, in mass percent:
37% of modified polyurethane acrylic resin, namely organosilicon-modified hexa-functional polyurethane acrylate, wherein a commercially available commodity DC978 can be selected;
12% of urethane acrylate resin which is tetrafunctional urethane acrylate and can be selected from a commercial product B-326;
6.5 percent of trifunctional active monomer, namely tripropylene glycol diacrylate;
12% of bifunctionality active monomer, 1, 6-hexanediol diacrylate;
3% of a dispersant, and a commercially available dispersant 203;
0.5% of defoaming agent, wherein commercial organic silicon defoaming agent 2721 can be adopted;
1.0 percent of flatting agent, and a commercial organic silicon flatting agent BYK333 can be adopted;
17% of matting powder, namely a mixture of commercial matting powder TS100, matting powder ACEMATT810 and matting powder ACEMATT3600, wherein the matting powder TS100 accounts for 1%, the ACEMATT810 accounts for 9%, and the ACEMATT3600 accounts for 7%;
3% of polyethylene wax powder, namely commercially available polyethylene wax powder MPP-480F; and
8% of photoinitiator, commercially available photoinitiator 1173 can be used.
In this example, the preparation method of the uv-curable matte scratch-resistant floor coating is the same as that of example 1, and is not repeated herein.
Example 3
In this embodiment, there is provided a uv-curable matte scratch-resistant floor coating comprising, in mass percent:
26% of modified polyurethane acrylic resin, namely organosilicon-modified hexa-functional polyurethane acrylate, wherein a commercially available commodity DC978 can be selected;
12% of urethane acrylate resin which is tetrafunctional urethane acrylate and can be selected from a commercial product B-326;
12% of hexa-functionality active monomer, namely dipentaerythritol hexaacrylate;
12% of trifunctional active monomer, namely trimethylolpropane triacrylate;
6 percent of bifunctionality active monomer is 1, 6-hexanediol diacrylate;
2.5% of dispersant, commercially available dispersant 203;
0.5% of defoaming agent, wherein commercial organic silicon defoaming agent 2721 can be adopted;
1.0 percent of flatting agent, and a commercial organic silicon flatting agent BYK333 can be adopted;
17% of matting powder, namely a mixture of commercial matting powder TS100, matting powder ACEMATT810 and matting powder ACEMATT3600, wherein the matting powder TS100 accounts for 2%, the ACEMATT810 accounts for 7%, and the ACEMATT3600 accounts for 8%;
3% of polyethylene wax powder, namely commercially available polyethylene wax powder MPP-480F; and
8% of photoinitiator, commercially available photoinitiator 1173 can be used.
In this example, the preparation method of the uv-curable matte scratch-resistant floor coating is the same as that of example 1, and is not repeated herein.
Verification examples
In this example, applicants cured the uv-cured matte scratch-resistant floor coating obtained in example 1 to form a film and tested the properties of the coating. And curing for 10s by adopting an ultraviolet curing mode until the coating is completely cured, wherein the thickness of the coating is about 10 mu m and is in a semitransparent state. The uv cured matte scratch resistant floor coatings of the present invention were tested for scratch resistance using an Elcometer 3092 scratch durometer to obtain the test results shown in table 1.
Table 1 uv cured matte scratch resistant floor coating test properties as described in example 1
| Serial number | Test items | Performance of |
| 1 | Gloss (60 degree ∠) | Less than 3 |
| 2 | Scratch resistance | 15N |
| 3 | Wear resistance | 6-10 mg/1000r, Taber abrader, CS17-1kg |
| 4 | Flexibility | Level 1 |
| 5 | Adhesion force | Good without peeling |
As can be seen from table 1, the uv-curable matte scratch-resistant floor coating of the present invention has both matte and scratch-resistant properties, and is green and environmentally friendly because it does not contain organic solvents. Therefore, the problem of pollution of the matt floor coating in the current market is solved, the problem of poor matt effect of the scratch-resistant coating in the current market is solved, and the performance of the floor coating is improved while the requirement of environmental protection is met.
The present invention has been described in relation to the above embodiments, which are only exemplary of the implementation of the present invention. It must be noted that the disclosed embodiments do not limit the scope of the invention. Rather, modifications and equivalent arrangements included within the spirit and scope of the claims are included within the scope of the invention.
Claims (10)
1. The ultraviolet-cured matt scratch-resistant floor coating is characterized by comprising the following components in percentage by mass:
the active monomer is a mixture of at least two of bifunctional acrylate monomer, trifunctional acrylate monomer and hexafunctional acrylate monomer.
2. The uv-curable matte scratch-resistant floor coating of claim 1, wherein the modified polyurethane acrylic resin is a silicone modified hexafunctional polyurethane acrylate.
3. A uv-curable matte scratch-resistant floor coating according to claim 1, wherein said difunctional acrylate monomer is 1, 6-hexanediol diacrylate; the tri-functionality acrylic ester monomer is trimethylolpropane triacrylate or tripropylene glycol diacrylate; the hexa-functional acrylate monomer is dipentaerythritol hexaacrylate.
4. A uv-curable matte scratch-resistant floor coating according to claim 1, wherein the difunctional, trifunctional, or hexafunctional acrylate monomer is each present in an amount ranging from 14% to 75% by weight of the reactive monomer.
5. A uv-curable matte scratch-resistant floor coating according to claim 1, wherein said auxiliary agent is at least one selected from the group consisting of a dispersant, a defoamer, and a leveling agent.
6. The uv-curable matte scratch-resistant floor coating of claim 5, wherein the defoamer is a silicone-based defoamer; the leveling agent is an organic silicon leveling agent.
7. A uv-curable matte scratch-resistant floor coating according to claim 1, wherein said matting powder is a silica-based matting powder having a particle size ranging from 4 μm to 10 μm.
8. The uv-curable matte scratch-resistant floor coating according to claim 7, wherein the silica-based matting powder is a matting powder in which the surface of silica particles is untreated, or a matting powder in which the surface of silica particles is treated with polydimethylsiloxane.
9. A method of making a uv-curable matte scratch-resistant floor coating according to claim 1, comprising:
preparing each component;
dispersing all the components uniformly at room temperature; and the number of the first and second groups,
filtering to obtain a finished product; wherein,
in the step of uniformly dispersing all the components, firstly, uniformly dispersing the modified polyurethane acrylic resin, the polyurethane acrylate resin, the active monomer, the photoinitiator and the auxiliary agent, and then, adding the matting powder and the polyethylene wax powder and uniformly dispersing.
10. The method of claim 6, wherein a 120 mesh sieve is used in the step of obtaining a finished product after the filtering.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112680095A (en) * | 2020-12-18 | 2021-04-20 | 黎明化工研究设计院有限责任公司 | Ultraviolet-cured matte wear-resistant rubber floor paint |
| CN113122125A (en) * | 2021-04-29 | 2021-07-16 | 江苏利田科技股份有限公司 | UV skin-feel wood coating and preparation method and application thereof |
| CN115011234A (en) * | 2022-05-07 | 2022-09-06 | 常州市贝美家居科技有限公司 | SPC floor and preparation method thereof |
| CN115403994A (en) * | 2021-05-28 | 2022-11-29 | 深圳飞扬骏研新材料股份有限公司 | Aspartame polyurea solvent-free matte odor-free coating and preparation method thereof |
| CN115651527A (en) * | 2022-09-13 | 2023-01-31 | 华容县恒兴建材有限公司 | Ultra-matte skin-feel ultraviolet curing coating and preparation method and curing method thereof |
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| CN112680095A (en) * | 2020-12-18 | 2021-04-20 | 黎明化工研究设计院有限责任公司 | Ultraviolet-cured matte wear-resistant rubber floor paint |
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| CN113122125A (en) * | 2021-04-29 | 2021-07-16 | 江苏利田科技股份有限公司 | UV skin-feel wood coating and preparation method and application thereof |
| CN115403994A (en) * | 2021-05-28 | 2022-11-29 | 深圳飞扬骏研新材料股份有限公司 | Aspartame polyurea solvent-free matte odor-free coating and preparation method thereof |
| CN115011234A (en) * | 2022-05-07 | 2022-09-06 | 常州市贝美家居科技有限公司 | SPC floor and preparation method thereof |
| CN115651527A (en) * | 2022-09-13 | 2023-01-31 | 华容县恒兴建材有限公司 | Ultra-matte skin-feel ultraviolet curing coating and preparation method and curing method thereof |
| CN116676022A (en) * | 2023-06-07 | 2023-09-01 | 南京玖泰新材料科技有限公司 | Matte resin for pollution resistance and wear resistance of decorative plate surface |
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